usb: Kconfig: Fix typo in SPL_DM_USB text

Change a typo in "USB host mode".

Signed-off-by: Fabio Estevam <festevam@denx.de>
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index fd13cf3..3afb45d 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -48,7 +48,7 @@
 	  automatically probed when found on the bus.
 
 config SPL_DM_USB
-	bool "Enable driver model for USB host most in SPL"
+	bool "Enable driver model for USB host mode in SPL"
 	depends on SPL_DM && DM_USB
 	default n if ARCH_MVEBU
 	default y